CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net income (loss)	$ 1,155	$ (15,151)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	3,373	3,481
Stock-based compensation expense	3,970	1,472
Loss on debt extinguishment	0	1,186
Loss (Income) from equity method investments	(2,033)	3
Other noncash items	556	1,763
Changes in operating assets and liabilities	(30,254)	(33,582)
Net cash provided by (used in) operating activities	(23,233)	(40,828)
Cash flows from investing activities:
Purchase of property and equipment, net	(4,049)	(178)
Purchase of intangible assets	(1,000)	(3,986)
Investment in loans receivable and other	(4,503)	(1,204)
Proceeds from repayment of loans receivable and other	183	0
Proceeds from sale of business and property, net of cash divested	500	(3,706)
Net cash provided by (used in) investing activities	(8,869)	(9,074)
Cash flows from financing activities:
Proceeds from exercise of stock options	14,756	165
Proceeds from the issuance of long-term debt	0	100,000
Repayments of long-term debt	(1,250)	(68,649)
Debt issuance costs	0	(1,218)
Net cash provided by (used in) financing activities	13,506	30,298
Net increase (decrease) in cash, cash equivalents and restricted cash and equivalents	(18,596)	(19,604)
Cash, cash equivalents and restricted cash and equivalents from continuing operations, beginning of period	1,054,820	135,178
Cash, cash equivalents and restricted cash and equivalents from discontinued operations, beginning of period		3,917
Cash, cash equivalents and restricted cash and equivalents, beginning of period	1,054,820	139,095
Cash, cash equivalents and restricted cash and equivalents, end of period	$ 1,036,224	$ 119,491